Since not all high quality 4K movies can be accepted by 4K video players above, a one-stop solution is to transcode 4K videos first to let them compatible with Mac video playback requirements. Any Tool to Convert/Compress 4K Ultra HD Videos?

Thankfully, there are plenty of great 4K transcoding utilities on Mac designed to make the process easy and give you files that are playable on any device you choose, whenever you choose to watch them. According to the feedbacks of dozens of users, they unanimously recommend the award-winning Mac 4K video compressor - Dimo Video Converter Ultimate for Mac (or Windows version).